macOS 27 Golden Gate with all-new Siri AI powered by Apple Intelligence and new features for a more responsive, delightful experience.

Mar 4, 2026 · Download and install current or previous versions of the Mac operating system on compatible Mac computers.

macOS (previously OS X and originally Mac OS X) is a proprietary Unix [10][11] operating system, derived from OPENSTEP for Mach and FreeBSD, which has been marketed and developed by …

Jun 10, 2026 · Find release dates, features, hardware requirements, and support information for every version of Mac OS X and macOS from Cheetah to Golden Gate.

The history of macOS, Apple 's current Mac operating system (formerly named Mac OS X until 2011 and then OS X until 2016), began with the company's project to replace its classic Mac OS. That system, …

Jun 8, 2026 · During the WWDC26 keynote today, Apple announced macOS Golden Gate 27, the next major OS version for the Mac. Here are the details.

Apr 15, 2026 · macOS is an operating system only used on Apple computers, powering everything from MacBooks and Mac Studio to iMacs, and running on powerful Mac hardware. The UNIX-based …

Mar 4, 2026 · Learn about all macOS versions Apple has ever released, including the latest macOS Sequoia.

Jun 10, 2026 · macOS Golden Gate - What's New macOS 27 Golden Gate is the latest version of macOS, the software that runs on the Mac. Apple demoed macOS Golden Gate at WWDC, and it's …

MacOS installers can be used to update systems directly, or even make bootable USB drives out of. Downloading and using different Mac OS installers is very common for performing system updates …